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Append text and ad text to TextView Android example


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String s = "Some text for appending

"; TextView mTitle = (TextView) findViewById(R.id.title_text); mTitle.setText(R.string.app_name); // insert text from strings.xml mTitle.append(s); // append string like a variable value mTitle.append("My string will appended
"); // append string

You can insert this source code into onCreate in your activity file

397LW NO topic_id




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362

Android Studio gradle file comment same as java comment | android-studio-gradle-file-comment-same-as-java-comment



// single line
/*
multi line
*/
64

Leap year date time Java Android example | leap-year-date-time-java-android-example


GregorianCalendar cal = new GregorianCalendar(); Boolean b = cal.isLeapYear(2012); // true, Android example.



public class MainActivity extends Activity {
TextView txtV;
	Context cntx;
	
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
        txtV = (TextView)findViewById(R.id.idLabel);
        cntx = this;
        StringBuilder strBuild = new StringBuilder();
        
         GregorianCalendar cal = new GregorianCalendar();
         Boolean b = cal.isLeapYear(2012); // true
         strBuild.append("Is leap year 2012? " + b + "

"); b = cal.isLeapYear(2014); // false strBuild.append("Is leap year 2014? " + b + "
"); txtV.setText(strBuild); } }
321

Installation error: INSTALL_FAILED_CONTAINER_ERROR | installation-error-install_failed_container_error


1.) Try delete some apps from Android emulator (can from Eclipse DDMS perspective
- File Explorer tab - data/apps folder path )
2.) Try resize emulator internal storage or SD card storage to hight size
3.)Try add to AndroidManifest.xml android:installLocation="preferExternal"

<manifest xmlns:android="//schemas.android.com/apk/res/android"
    package="com.myweb.mypackage"
    android:installLocation="preferExternal"

4.) Try resize particion from Eclipse
Preferences,
select Android- Launch
Add "-partition-size 1024" into "Default emulator option” field.
Click "Apply” and use your emulator as usual
296

On orientation changed view button textview not visible Android | on-orientation-changed-view-button-textview-not-visible-android


Try add to AndroidManifest.xml configChanges for your Activity
android:configChanges="keyboardHidden|orientation|screenSize"


 <activity android:name=".MainActivity"
                  android:label="@string/app_name"
                  android:configChanges="keyboardHidden|orientation|screenSize"
                  >
186

Set Drawable programmatically Android example | set-drawable-programmatically-android-example



// start_dark.png is stored in path	/package_name/res/drawable/start_dark.png
Drawable dw = getApplicationContext().getResources().getDrawable(R.drawable.start_dark);
Button hButtonStart = (Button)findViewById(R.id.buttonStart);
hButtonStart.setCompoundDrawablesWithIntrinsicBounds(dw, null, null, null);



Editace: 2011-11-25 13:01:42
Počet článků v kategorii: 397
Url:append-text-and-ad-text-to-textview-android-example

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